[llvm] [SystemZ][z/OS] Remove use of subsections. (PR #184167)

[Ulrich Weigand via llvm-commits]

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@@ -99,15 +100,35 @@ class LLVM_LIBRARY_VISIBILITY SystemZAsmPrinter : public AsmPrinter {
   DenseMap<const GlobalObject *, SmallVector<const GlobalAlias *, 1>>
       GOAliasMap;
 
-  void emitPPA1(MCSymbol *FnEndSym);
+  struct PPA1Info {
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uweigand wrote:

I agree that it makes sense to emit these at the end.  I'm wondering why we cannot calculate the data at the end as well - is the MachineFunction no longer around by then?

https://github.com/llvm/llvm-project/pull/184167